Noun - A person whom by their ill-advised actions, would be considered a fool by some or an even bigger fool by others.

One whose behavior is considered absurd illogical irrational ludicrous and/or preposterous.
She can be quite the bigger fool for she outdoes the ordinary fool, making bizarre decisions, and behaving like a luniac.

He behaved like a luniac, doing inexplicably foolish things.
by Hypatia-Kant March 17, 2019
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When you're so fucking crazy that you're even crazier than a lunatic and a maniac.

Term coined by Caerien. twitch.tv/caerien
"Man, the vaccine's working but its side effects got me acting wild like a luniac."
by lurkass September 17, 2021
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